Home / 264,020.16-396,047.52-77,016

Finding the Fourth Proportional to 264,020.16, 396,047.52 and 77,016

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Solution

The fourth proportional to 264,020.16, 396,047.52 and 77,016 is: 115,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,020.16 : 396,047.52 = 77,016 : x
  2. Step 2: Convert to fraction form
    264,020.16/396,047.52 = 77,016/x
  3. Step 3: Cross multiply
    264,020.16x = 396,047.52 × 77,016
  4. Step 4: Simplify right side
    264,020.16x = 30,501,995,800.32
  5. Step 5: Solve for x
    x = 30,501,995,800.32/264,020.16
  6. Step 6: Final answer
    x = 115,529.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.